It has become a habit of many people for many years to wipe their mouths with napkins after eating. Recently, it has been reported that the napkins of many well-known catering enterprises have been tested to contain fluorescent agents, and some napkins are black in color after burning, and there are few fiber components, which may be made of waste paper. Studies have shown that fluorescent agents may cause leukemia. As a cleaning product that people can't leave three meals a day, how should we choose to buy napkins or distinguish napkins provided by restaurants? It is understood that fluorescent agent, namely fluorescent whitening agent, is a complex organic compound, and its characteristic is that it can stimulate incident light to generate fluorescence and achieve whitening effect. It is reported that whitening agents have been widely used in acrylic fiber spinning, textiles, paper making, washing powder, soap, rubber, plastic products, pigments and paints. However, Article 6 of China's Food Hygiene Law clearly stipulates that "fluorescent whitening agents are prohibited in food, food packaging and napkins".

According to industry sources, many napkin manufacturers use waste paper to make napkins, and generally add talcum powder and calcium carbonate, and use fluorescent agent to whiten them, so that the produced napkins are heavy enough to look good. At present, the harm of fluorescent agent to human body has not been determined in China, and there is no specific evidence to prove that how much fluorescent agent absorbs will cause harm to human body. However, fluorescent whitening agent is indeed listed as one of the potential carcinogens abroad. Experts said: "Fluorescent substances are not as easily decomposed as general chemical components, but they will accumulate in the human body, greatly reducing human immunity and endangering human health. Once it enters the human body, if the dose reaches a certain level, it is very likely that the cells will become cancerous. Its contact with the wound will combine with protein and hinder wound healing. " When eating out, restaurants often provide napkins, and many people think that those napkins that look white and feel thick are good paper. However, the insiders said that this is not the case. If the napkin breaks and loses its hair when pulled, or if it is slightly soaked in water, it will be scattered and kneaded into a pulp, it is not good paper. High-quality napkins are even and delicate in texture, soft to the touch, and do not lose hair, powder or color, and still maintain a certain strength when exposed to water.

Using inferior napkins, it is easy to wipe the toxic substances and bacteria such as fluorescent whitening agent remaining in the paper on your mouth and then eat it in your stomach. Long-term use of inferior napkins is easy to infect diseases: first, it may inhale harmful fungi, Pseudomonas aeruginosa, Escherichia coli, etc., which will cause enteritis, typhoid fever, dysentery and other diseases, and some may also carry hepatitis germs; Second, the whitening agent remains in inferior toilet paper, which causes harmful dust to enter the human respiratory tract and has adverse effects; Third, it will irritate the skin and cause skin allergies. "In the future, if you go out to eat, you'd better use your own napkin!" Many consumers reacted strongly to the use of napkins containing fluorescent agents by many well-known catering enterprises. However, citizen Xiao Zhou was stumped by another question: "There are many brands and varieties of napkins in the supermarket. Which one is safe and healthy?"

According to the insiders, it's best to buy paper towels from famous brands in large supermarkets, and you can't go to the wholesale market for cheap paper towels. Before buying, look at whether the wrinkles of the paper towel are even and delicate, and smell whether the paper towel has obvious irritating smell. If it contains aroma, it is best not to buy it, which may be used by the manufacturer to cover up the smell; The key point depends on whether the label on the package is "111% native wood paddle", and whether the product name, manufacturer, production date, implementation standard and expiration date are indicated, in case of buying "three no products". In addition, it is best to buy paper towels produced recently, because napkins also have a shelf life, usually 3 years, and napkins that have passed the shelf life will also breed bacteria. When buying, you should also pay attention to check whether the outer packaging and sealing are damaged.

napkins, including facial tissues and wet tissues, are sanitary products in disinfection products. Toilet paper refers to disposable toilet paper used in people's daily life. There is a fundamental difference between the two. Different production requirements. Napkin production enterprises must be approved by the health administrative department at or above the provincial level, and the napkin production workshop requires disinfection and isolated production according to the standard of disposable sanitary products; There are no special requirements in the toilet paper production workshop. Packaging requirements are different. Napkins are required to have independent small packages to ensure that they are always kept in a hygienic isolation state from the outside world from the factory to the use; Toilet paper is usually packaged in large packages, which is easily polluted by the outside world before use. Raw material requirements are different. According to national standards, napkins can only be made of virgin pulp, and recycled fiber materials such as waste paper are not allowed; Toilet paper allows the use of waste paper other than household paper, medical paper and packaging paper. Health requirements are different. Napkins are based on each piece of paper and refined until the number of each kind of bacteria does not exceed the standard before they are allowed to go on the market; Toilet paper is qualified if the total number of bacteria does not exceed the standard by volume.